clean air and clean water but to devote the whole united nations and to try to stop growth in china and india, to try to really do something that's going to be impossible to do, it's a hard thing, i mean -- >> let me say something i don't think you've spent as much time studying this in china as some other people have. >> yes. >> and i talked to them yesterday to find out what china was doing about climate change, what i prefer to call extreme weather and they're taking it extremely seriously. >> what about carbon emissions release? >> they are. no listen for a sec. maybe i can tell you something you don't know. >> okay. >> that's this, china has got i think 30% of its population is going to be in either cities or provinces where they're talking about energy intensity, and energy intensity is just another way of saying how much energy do you use for a given output of gdp so obviously that is not the same as a hard cap on carbon. but they are very aware of the need for a hard cap on carbon. i think they're going to start at 30%, going to move to 50% of the population in china by 2015, three ye